CN220523936U

CN220523936U - Thick wall assembly with uniform lighting

Info

Publication number: CN220523936U
Application number: CN202321911412.1U
Authority: CN
Inventors: 徐岩修; 刘馨雨
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-02-23
Anticipated expiration: 2033-07-19

Abstract

The utility model relates to the technical field of car lamps, in particular to a thick-wall component capable of being uniformly lightened, which comprises a plurality of thick-wall parts, wherein any thick-wall part comprises: the light source is arranged at the focal point of the light incoming end, light rays emitted by the light source are emitted to the first total reflection surface through the light incoming end, are totally reflected to the second total reflection surface through the first total reflection surface, are totally reflected to the third total reflection surface through the second total reflection surface, and are totally reflected to the light outgoing surface through the third total reflection surface again. The thick-wall component which is uniformly lightened, emits light after multiple times of total reflection, has more uniform light emission, and is matched with the multiple total reflection surfaces, so that the light emitting area is wider than that of the traditional form, the light emitting surface is wider, the lightening is uniform and efficient, the LED is saved, the cost is reduced, and the transparent visual effect is realized, and the transparent visual effect is provided with universality.

Description

Thick wall assembly with uniform lighting

Technical Field

The utility model relates to the technical field of car lamps, in particular to a thick-wall assembly capable of being uniformly lightened.

Background

Along with the rapid development of automobile lamp technology and the pursuit of consumers to the car lamp lighting effect, manufacturing cost and efficiency are also the urgent problem that needs to be solved of each car lamp supplier, and current scheme light is sent from the LED, is passed through a series of function device and is then sent out from the light-emitting surface to reach the more even effect of car lamp lighting.

In traditional projects, the known scheme is low in efficiency due to the fact that a large number of LEDs are needed, and the cost of LED raw materials is increased, meanwhile, circuit design is complex, and heat risks are improved.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to solve the technical problem that the circuit design is complex and the heat risk is improved due to the fact that the number of LEDs in the prior art is large. The utility model provides a thick-wall component which is uniform in lighting, light is emitted after multiple total reflections in the system, LEDs are saved, the light emitting area is wider than that of the traditional form, the cost is reduced, the lighting is uniform and efficient, and the thick-wall component is transparent and has universality. The technical scheme adopted for solving the technical problems is as follows: a uniformly lit thick-wall assembly, comprising: a plurality of thick-walled members, any thick-walled member comprising: the light source is arranged at the focal point of the light incoming end, light rays emitted by the light source are emitted to the first total reflection surface through the light incoming end, are totally reflected to the second total reflection surface through the first total reflection surface, are totally reflected to the third total reflection surface through the second total reflection surface, and are emitted to the light emitting surface through the third total reflection surface again.

Further, the light incident end is a spherical lens, an ellipsoidal lens or a Fresnel lens.

Further, the first total reflection surface and the second total reflection surface are cambered surfaces, and the intersecting line of the first total reflection surface and the second total reflection surface is parabolic.

Further, the thick-wall parts are horizontally arranged, so that the light emitting surfaces are on the same horizontal plane.

Further, the number of the thick-wall parts is three.

Further, any thick-walled member further comprises: the fourth total reflection surface is arranged between the light inlet end and the first total reflection surface, and light emitted by the light inlet end is totally reflected to the first total reflection surface through the fourth total reflection surface.

Further, a diffusion pattern is arranged on the light-emitting surface.

Further, the color of the light source is white, red, yellow or a combination of any two.

The utility model has the beneficial effects that the thick-wall component which is uniformly lightened can emit light after multiple total reflections in the system, the LEDs are saved, and the multiple total reflection surfaces are matched, so that the light emitting area is wider than that of the traditional form, the cost is reduced, the lightening is uniform and efficient, and the thick-wall component is visually transparent and has universality.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the structure of a uniformly lit thick-wall assembly of the present utility model;

FIG. 2 is a schematic view of the other side of the uniformly lit thick-wall assembly of the present utility model;

FIG. 3 is a schematic light path diagram of a first embodiment of the illuminated uniform thick-wall assembly of the present utility model;

FIG. 4 is a schematic cross-sectional view of the light path of a first embodiment of the uniformly lit thick-wall assembly of the present utility model;

fig. 5 is a schematic cross-sectional view of the light path of a second embodiment of the uniformly lit thick-wall assembly of the present utility model.

Reference numerals:

10. a thick-walled member; 1. a light inlet end; 2. a first total reflection surface; 3. a second total reflection surface; 4. a third total reflection surface; 5. a light-emitting surface; 6. and a fourth total reflection surface.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, which are first embodiments of the present utility model, a uniformly lighted thick-wall assembly includes:

a plurality of thick-walled members 10, any thick-walled member 10 comprising: the light incident end 1 is arranged at the tail end of the thick-wall piece 10, a light source is arranged at the focus of the light incident end 1, light emitted by the light source is emitted to the first total reflection surface 2 through the light incident end 1, is totally reflected to the second total reflection surface 3 through the first total reflection surface 2, is totally reflected to the third total reflection surface 4 through the second total reflection surface 3, and is totally reflected to the light emitting surface 5 through the third total reflection surface 4 again.

As shown in fig. 3, the included angle between the first total reflection surface 2 and the second total reflection surface 3 is about 90 °, the included angle between the second total reflection surface 3 and the third total reflection surface 4 is about 90 °, the included angle between the first total reflection surface 2 and the incident light is about 45 °, and the degree of the included angle between the first total reflection surface 2 and the incident light can be adjusted according to practical requirements.

The first total reflection surface 2, the second total reflection surface 3 and the third total reflection surface 4 are matched with each other, light is emitted after multiple total reflections, the light is emitted more uniformly, and the multiple total reflection surfaces are matched, so that the light emitting area is wider than that of the traditional mode, the light emitting surface is wider, the lighting is uniform and efficient, the LED is saved, the cost is reduced, and the LED is visual transparent and has universality.

The structure of the light incident end 1 can be adjusted according to practical situations, and can be a rotary structure, for example: spherical lenses, ellipsoidal lenses, and fresnel lenses.

In order to increase the reflection area, the first total reflection surface 2 and the second total reflection surface 3 are cambered surfaces, the intersecting line of the first total reflection surface 2 and the second total reflection surface 3 is parabolic, and light emitted from the focus is emitted in parallel after being parabolic according to the parabolic principle. Namely, the incident light is converted into parallel light after being totally reflected by the first total reflection surface 2 and the second total reflection surface 3, and is emitted in parallel from the light emitting surface 5 after being totally reflected by the third total reflection surface 4 again, so that the light emitting rate is high and the uniformity is good.

The plurality of thick-wall members 10 are horizontally arranged, so that the plurality of light-emitting surfaces 5 are on the same horizontal plane, and the number of the thick-wall members 10 is three.

The light-emitting surface 5 is provided with diffusion patterns, so that the light-emitting is more uniform.

The light source is white or red, yellow or a combination of any two of the colors.

The material of the thick-wall member is transparent PMMA or PC.

As shown in fig. 5, which is a second embodiment of the present utility model, differs from the first embodiment in that any of the thick-walled members 10 further comprises: the fourth total reflection surface 6, the fourth total reflection surface 6 is disposed between the light incident end 1 and the first total reflection surface 2, and the light emitted from the light incident end 1 is totally reflected onto the first total reflection surface 2 through the fourth total reflection surface 6. Compared with the first embodiment, the fourth total reflection surface 6 is added, so that the incident light rays are added with one total reflection process, the light emission is more uniform, and the light emission effect is good.

According to the thick-wall component with uniform lighting, the first total reflection surface 2, the second total reflection surface 3 and the third total reflection surface 4 are matched with each other, light is emitted after multiple total reflections, the light is emitted more uniformly, the multiple total reflection surfaces are matched, the light emitting area is wider than that of the traditional form, the light emitting surface is wider, the lighting is uniform and efficient, the LED is saved, the cost is reduced, and the transparent and universal LED is realized visually.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined as the scope of the claims.

Claims

1. A uniformly lit thick-walled assembly comprising:

-a plurality of thick-walled members (10), any thick-walled member (10) comprising: the light incident end (1), the first total reflection surface (2), the second total reflection surface (3), the third total reflection surface (4) and the light emergent surface (5), the light incident end (1) is arranged at the tail end of the thick-wall piece (10), a light source is arranged at the focus of the light incident end (1), light emitted by the light source is emitted to the first total reflection surface (2) through the light incident end (1), is totally reflected to the second total reflection surface (3) through the first total reflection surface (2), is totally reflected to the third total reflection surface (4) through the second total reflection surface (3), and is emitted to the light emergent surface (5) through the third total reflection surface (4) again.

2. A uniformly lit thick-walled assembly according to claim 1 wherein the light entrance end (1) is a spherical lens, an ellipsoidal lens or a fresnel lens.

3. The uniformly lit thick-wall assembly of claim 1, wherein the first total reflection surface (2) and the second total reflection surface (3) are cambered surfaces, and the intersection line of the first total reflection surface (2) and the second total reflection surface (3) is parabolic.

4. A uniformly lit thick-walled assembly according to claim 1 wherein the plurality of thick-walled members (10) are arranged horizontally such that the light-emitting surfaces (5) are on the same horizontal plane.

5. The uniformly lit thick-wall assembly of claim 4, wherein the thick-wall elements (10) are three.

6. The uniformly lit thick-walled assembly of claim 1 wherein any thick-walled member (10) further comprises: the fourth total reflection surface (6), the fourth total reflection surface (6) is arranged between the light inlet end (1) and the first total reflection surface (2), and the light emitted by the light inlet end (1) is totally reflected to the first total reflection surface (2) through the fourth total reflection surface (6).

7. A uniformly lit thick-wall assembly as claimed in claim 1, wherein the light exit surface (5) is provided with a diffusing pattern.

8. The uniformly lit, thick-walled assembly of claim 1 wherein the light source is white, red, yellow, or a combination of any two.